//
//  YHConstant+Null.h
//  YHConstant
//
//  Created by 98du on 2021/11/22.
//

#import "YHConstant.h"

NS_ASSUME_NONNULL_BEGIN


FOUNDATION_EXTERN BOOL IsNull(id obj);
FOUNDATION_EXTERN BOOL IsNonNull(id obj);

FOUNDATION_EXTERN BOOL IsEmpty(id obj);
FOUNDATION_EXTERN BOOL IsNotEmpty(id obj);


/// 如果是空的显示 @"" 空的字符串
FOUNDATION_EXTERN NSString * NullShow(id obj);
/// 如果是空的显示 - 替代
FOUNDATION_EXTERN NSString * NullShowReplaceLine(id obj);


@interface YHConstant (Null)

@end

NS_ASSUME_NONNULL_END
